Seiko Cal. 3854 - 987

This Automatic model from 1972 features a 46mm Stainless Steel case. Powered by the 3854 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f4e48e7e211e]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1972

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